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3889297 = 4783997
BaseRepresentation
bin1110110101100010010001
321022121010001
432311202101
51443424142
6215210001
745026026
oct16654221
97277101
103889297
1122170a5
121376901
13a62379
1473354d
1551c5b7
hex3b5891

3889297 has 8 divisors (see below), whose sum is σ = 4023936. Its totient is φ = 3756912.

The previous prime is 3889289. The next prime is 3889313. The reversal of 3889297 is 7929883.

3889297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3889297 - 23 = 3889289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3889217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403 + ... + 4399.

It is an arithmetic number, because the mean of its divisors is an integer number (502992).

Almost surely, 23889297 is an apocalyptic number.

It is an amenable number.

3889297 is a deficient number, since it is larger than the sum of its proper divisors (134639).

3889297 is an equidigital number, since it uses as much as digits as its factorization.

3889297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127.

The product of its digits is 217728, while the sum is 46.

The square root of 3889297 is about 1972.1300667045. The cubic root of 3889297 is about 157.2619667991.

It can be divided in two parts, 3889 and 297, that added together give a triangular number (4186 = T91).

The spelling of 3889297 in words is "three million, eight hundred eighty-nine thousand, two hundred ninety-seven".

Divisors: 1 47 83 997 3901 46859 82751 3889297